ncase [ɪn'keɪs] is a library to enforce case styles.

Usage

Use the free functions for one-off case conversions. They automatically split the input string into words just as Words::from

assert_eq!(ncase::camel("camel case"), "camelCase");
assert_eq!(ncase::snake("snake case"), "snake_case");

Use Words if you need to convert one string into many case styles

use ncase::Words;

let s = "Lorem ipsum dolor sit amet";
let w = Words::from(s);

assert_eq!(w.kebab(), "lorem-ipsum-dolor-sit-amet");
assert_eq!(w.title(), "Lorem Ipsum Dolor Sit Amet");

Or if you want to use a separator regex (the regex feature)

use ncase::Words;
use regex::Regex;

let s = "Lorem, ipsum (dolor _sit)_ amet";
let sep = Regex::new(r"[\pP\s]+").unwrap();
let w = Words::with_separator(s, &sep);

assert_eq!(w.lower(), "lorem ipsum dolor sit amet");
assert_eq!(w.upper(), "LOREM IPSUM DOLOR SIT AMET");

Features

regex : Enables Words::with_separator in the library and -F <separator> in the binary. Adds the regex dependency.

rand : Enables rANdOm cASe support. Adds the rand dependency.

ncase [ɪn'keɪs] — enforce a case style

Why?

So that I can

% for f in *.pdf; do
	mv "$f" "$(ncase -s `basename "$f" .pdf`).pdf"
done

Binary

Install

% cargo install ncase

Usage

Enforce a case style on a string and write it to the standard output

% ncase --pascal this is a test string
ThisIsATestString

By default, enforce tOGGLE cASE[^1]

% ncase this is a test string
tHIS iS a tEST sTRING

[^1]: rANdOm cASe if built with the rand feature.

Library

Install

Add the dependency to Cargo.toml

% cargo add ncase@0.3

Usage

See on docs.rs.